NEXZ members including Tomoya, Yuu, Haru, So Gun, Seita, Hui, and Yuki excited their fans with the release of a performance video for their track "Simmer" from the album "O-RLY?". They showcased a visually appealing concept by wearing stylish school uniforms, with Tomoya, Yuu, and Haru also contributing to the choreography. The video seamlessly blended the concept, outfits, and choreography, earning praise from fans for their charm.

"Simmer" is inspired by the culinary term used to maintain a temperature just below boiling, reflected in the track's intense and energetic build-up. With impactful rap verses, heartfelt lyrics, and a distinct sound, the hip-hop track exudes a controlled intensity. NEXZ demonstrated their versatility by contrasting the playful vibe of the title track with the composed charisma of "Simmer". Their performances on popular music shows received positive feedback from both local and international K-pop fans for their dynamic range.

NEXZ's successful comeback with "O-RLY?" marked a significant milestone in their career, with the title track reaching the top spot on various music charts. Their first-ever No. 1 on a digital chart, followed by leading positions on album charts, highlighted their growing popularity. Various appearances on music shows and live events showcased their increasing presence in the industry. Notable moments like celebrating Hui's birthday on-air and showcasing their unique identity through b-boying performances resonated with audiences.

With their passion and creativity, NEXZ made a strong comeback, infusing their performances with personal emotions and vibrant energy. Their transformation of school uniforms into fashion-forward styles and their ability to convey emotions through their expressions left a lasting impact on K-pop enthusiasts. Their upcoming appearance on "Noon Hope Song with Kim Shin Young" on May 13th is eagerly anticipated by fans, further building excitement for their captivating performances.